Regular expressions can vary from simple to WTF. Usually they tend
toward the latter. What most don't realized, or are too lazy to use, is
that regular expressions can be made to include friendly whitespace and
comments. CFEngine is no exception.

Good news everyone. CFEngine 3.7 has revamped packages promises making
them simpler and more reliable. These new promises are now used in EFL
with the bundle efl_packages_new. The bundle's parameter file looks
like this: